System Too Rich Bank 2
2007-2012 Nissan Altima 2.5L I4
Description
The long-term fuel trim for Bank 2 has exceeded the negative limit, indicating rich running on Bank 2.
Symptoms
- Check Engine Light
- Black smoke
- Poor fuel economy
- Rich exhaust smell
Common Causes
- Leaking injector Bank 2
- High fuel pressure
- Faulty O2 sensor Bank 2
- EVAP issue
Diagnostic Steps
- Check fuel trim Bank 2
- Test injectors Bank 2
- Test fuel pressure
- Check O2 sensor Bank 2
Repair Notes
Same diagnostic approach as P0172 but focused on Bank 2.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0175 on Other Vehicles
Nissan 200SX
1995-1998 1.6L I4 GA16DE
Nissan 200SX SE-R
1995-1998 2.0L I4 SR20DE
Nissan 240SX
1995-1998 2.4L I4 KA24DE
Nissan 300ZX
1990-1996 3.0L V6 VG30DE
Nissan 300ZX Twin Turbo
1990-1996 3.0L Twin-Turbo V6 VG30DETT
Nissan 350Z
2003-2006 3.5L V6 VQ35DE
Nissan 350Z
2007-2009 3.5L V6 VQ35HR
Nissan 370Z
2009-2020 3.7L V6 VQ37VHR
Common Questions
What does code P0175 mean on a 2007-2012 Nissan Altima?
P0175 stands for "System Too Rich Bank 2". The long-term fuel trim for Bank 2 has exceeded the negative limit, indicating rich running on Bank 2.
What are the symptoms of P0175 on a Nissan Altima?
Common symptoms of P0175 include: Check Engine Light, Black smoke, Poor fuel economy, Rich exhaust smell.
What causes P0175 on a 2007-2012 Nissan Altima?
Common causes of P0175 include: Leaking injector Bank 2, High fuel pressure, Faulty O2 sensor Bank 2, EVAP issue.